Do you think a similar reaction will occur in California?

These reactions occur more often during the first week of treatment.

If a reaction does occur, wait another 2 weeks before testing again.

The report said such a reaction could have occurred under certain circumstances.

It does not answer the question: How fast will the reaction occur.

These reactions can occur weeks to months after your treatment has ended.

However, there are circumstances, under which such reaction may not occur.

To his knowledge, such a large explosive reaction had never occurred.

That reaction occurs quickly, can run out of control, and lead to serious injury.

Your doctor watches to see if and when a reaction occurs.